<template>
  <mi-header></mi-header>
  <div class="confirmOrder">
    <!-- 头部 -->
    <div class="confirmOrder-header">
      <div class="header-content">
        <p>
          <i class="el-icon-s-order"></i>
        </p>
        <p>确认订单</p>
        <router-link to></router-link>
      </div>
    </div>
    <!-- 头部END -->

    <!-- 主要内容容器 -->
    <div class="content">
      <!-- 选择地址 -->
      <div class="section-address">
        <p class="title">收货地址</p>
        <div class="address-body">
          <ul>
            <li
              :class="item.id == confirmAddress ? 'in-section' : ''"
              v-for="item in address"
              :key="item.id"
            >
              <h2>{{item.name}}</h2>
              <p class="phone">{{item.phone}}</p>
              <p class="address">{{item.address}}</p>
            </li>
            <li class="add-address">
              <i class="el-icon-circle-plus-outline"></i>
              <p>添加新地址</p>
            </li>
          </ul>
        </div>
      </div>
      <!-- 选择地址END -->

      <!-- 商品及优惠券 -->
      <div class="section-goods">
        <p class="title">商品及优惠券</p>
        <div class="goods-list">
          <ul>
            <li v-for="item in this.shoppingCart" :key="item.id">
              <img :src="item.pic_urls" />
              <span class="pro-name">{{item.productName}}</span>
              <span class="pro-price">{{item.price}}元 x {{item.num}}</span>
              <span class="pro-status"></span>
              <span class="pro-total">{{item.price * item.num}}元</span>
            </li>
          </ul>
        </div>
      </div>
      <!-- 商品及优惠券END -->

      <!-- 配送方式 -->
      <div class="section-shipment">
        <p class="title">配送方式</p>
        <p class="shipment">包邮</p>
      </div>
      <!-- 配送方式END -->

      <!-- 发票 -->
      <div class="section-invoice">
        <p class="title">发票</p>
        <p class="invoice">电子发票</p>
        <p class="invoice">个人</p>
        <p class="invoice">商品明细</p>
      </div>
      <!-- 发票END -->

      <!-- 结算列表 -->
      <div class="section-count">
        <div class="money-box">
          <ul>
            <li>
              <span class="title">商品件数：</span>
              <span class="value">{{getCheckNum()}}件</span>
            </li>
            <li>
              <span class="title">商品总价：</span>
              <span class="value">{{getTotalPrice()}}元</span>
            </li>
            <li>
              <span class="title">活动优惠：</span>
              <span class="value">-0元</span>
            </li>
            <li>
              <span class="title">优惠券抵扣：</span>
              <span class="value">-0元</span>
            </li>
            <li>
              <span class="title">运费：</span>
              <span class="value">0元</span>
            </li>
            <li class="total">
              <span class="title">应付总额：</span>
              <span class="value">
                <span class="total-price">{{getTotalPrice()}}</span>元
              </span>
            </li>
          </ul>
        </div>
      </div>
      <!-- 结算列表END -->

      <!-- 结算导航 -->
      <div class="section-bar">
        <div class="btn">
          <router-link to="/Cart" class="btn-base btn-return">返回购物车</router-link>
          <a href="javascript:void(0);" @click="addOrder" class="btn-base btn-primary">结算</a>
        </div>
      </div>
      <!-- 结算导航END -->
    </div>
    <!-- 主要内容容器END -->
  </div>
  <n-config-provider :theme="darkTheme">
    <n-message-provider>
      <message />
    </n-message-provider>
    <router-view></router-view>
  </n-config-provider>
  <mi-footer></mi-footer>
</template>
<script>
import MiFooter from '@/components/MiFooter'
import MiHeader from '@/components/MiHeader'
import axios from 'axios'
export default {
  name: 'Pay',
  components: {
    MiFooter,
    MiHeader
  },
  data () {
    return {
      // 虚拟数据
      confirmAddress: 1, // 选择的地址id
      userId: 123,
      serialNumber: null,
      // 地址列表
      address: [
        {
          id: 1,
          name: '张同学',
          phone: '135xxxx8623',
          address: '广东 广州市 白云区 江高镇 广东白云学院'
        },
        {
          id: 2,
          name: '李同学',
          phone: '137xxxx8623',
          address: '广东 茂名市 化州市 杨梅镇 ***'
        }
      ],
      shoppingCart: [
        {
          id: '1',
          productId: '12',
          productName: 'iphone13',
          pic_urls: 'https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1621955784.84614979.jpg',
          price: '9500',
          num: 1,
          maxNum: 3,
          check: true
        },
        {
          id: '2',
          productId: '12',
          productName: '小米13',
          pic_urls: 'https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1621955784.84614979.jpg',
          price: '3500',
          num: 2,
          maxNum: 3,
          check: true
        }
      ]
    }
  },
  created () {
    this.onLoad()
    // 如果没有勾选购物车商品直接进入确认订单页面,提示信息并返回购物车
    if (this.shoppingCart.length < 1) {
      alert('请勾选商品后再结算')
      this.$router.push({ path: '/Cart' })
    }
    this.generateSerialNumber()
  },
  methods: {
    addOrder () {
      if (this.serialNumber === null) {
        alert('三方流水号获取失败，无法提交订单')
      }
      const order = {}
      order.userId = this.userId
      order.shoppingCart = this.shoppingCart
      order.serialNumber = this.serialNumber
      axios.post('http://localhost:8088/order/saveOrder',
        order).then((res) => {
        // 成功后删除购物车中对应的商品
        if (res.data.code === '0') {
          // this.deleteShoppingCart(1)
          alert('下单成功')
        }
      })
    },
    // 获取三方流水号，以便做幂等
    generateSerialNumber () {
      axios.get('http://localhost:8088/order/generateSerialNumber',
        {}).then((res) => {
        if (res.data.code === '000') {
          this.serialNumber = res.data.data
        }
      })
    },
    async onLoad () {
      // 获取Redis中已选购物车商品信息
      await axios.get(`http://localhost:8088/order/getSelectedGoodsFromShoppingCart?userId=${this.userId}`).then((res) => { this.shoppingCart = res.data.shoppingCart })
      console.log(this.shoppingCart)
    },
    // 这是一个定时器
    timer () {
      return setTimeout(() => {
        this.getData()
      }, 5000)
    },
    watch: {
      list () {
        this.timer()
      }
    },
    destroyed () {
      clearTimeout(this.timer)
    },
    getCheckNum () {
      // 获取购物车勾选的商品数量
      let totalNum = 0
      for (let i = 0; i < this.shoppingCart.length; i++) {
        const temp = this.shoppingCart[i]
        if (temp.check) {
          totalNum += temp.num
        }
      }
      return totalNum
    },
    getTotalPrice () {
      // 购物车勾选的商品总价格
      let totalPrice = 0
      for (let i = 0; i < this.shoppingCart.length; i++) {
        const temp = this.shoppingCart[i]
        if (temp.check) {
          totalPrice += temp.price * temp.num
        }
      }
      return totalPrice
    },
    deleteShoppingCart (id) {
      // 根据购物车id删除购物车商品
      for (let i = 0; i < this.shoppingCart.length; i++) {
        const temp = this.shoppingCart[i]
        if (temp.id === id) {
          this.shoppingCart.splice(i, 1)
        }
      }
    }
  }
}
</script>

<style>
  * {
    list-style: none;
  }
  .confirmOrder {
    background-color: #f5f5f5;
    padding-bottom: 20px;
  }
  /* 头部CSS */
  .confirmOrder .confirmOrder-header {
    background-color: #fff;
    border-bottom: 2px solid #ff6700;
    margin-bottom: 20px;
  }
  .confirmOrder .confirmOrder-header .header-content {
    width: 1225px;
    margin: 0 auto;
    height: 80px;
  }
  .confirmOrder .confirmOrder-header .header-content p {
    float: left;
    font-size: 28px;
    line-height: 80px;
    color: #424242;
    margin-right: 20px;
  }
  .confirmOrder .confirmOrder-header .header-content p i {
    font-size: 45px;
    color: #ff6700;
    line-height: 80px;
  }
  /* 头部CSS END */

  /* 主要内容容器CSS */
  .confirmOrder .content {
    width: 1225px;
    margin: 0 auto;
    padding: 48px 0 0;
    background-color: #fff;
  }

  /* 选择地址CSS */
  .confirmOrder .content .section-address {
    margin: 0 48px;
    overflow: hidden;
  }
  .confirmOrder .content .section-address .title {
    color: #333;
    font-size: 18px;
    line-height: 20px;
    margin-bottom: 20px;
  }
  .confirmOrder .content .address-body li {
    float: left;
    color: #333;
    width: 220px;
    height: 178px;
    border: 1px solid #e0e0e0;
    padding: 15px 24px 0;
    margin-right: 17px;
    margin-bottom: 24px;
  }
  .confirmOrder .content .address-body .in-section {
    border: 1px solid #ff6700;
  }
  .confirmOrder .content .address-body li h2 {
    font-size: 18px;
    font-weight: normal;
    line-height: 30px;
    margin-bottom: 10px;
  }
  .confirmOrder .content .address-body li p {
    font-size: 14px;
    color: #757575;
  }
  .confirmOrder .content .address-body li .address {
    padding: 10px 0;
    max-width: 180px;
    max-height: 88px;
    line-height: 22px;
    overflow: hidden;
  }
  .confirmOrder .content .address-body .add-address {
    text-align: center;
    line-height: 30px;
  }
  .confirmOrder .content .address-body .add-address i {
    font-size: 30px;
    padding-top: 50px;
    text-align: center;
  }
  /* 选择地址CSS END */

  /* 商品及优惠券CSS */
  .confirmOrder .content .section-goods {
    margin: 0 48px;
  }
  .confirmOrder .content .section-goods p.title {
    color: #333;
    font-size: 18px;
    line-height: 40px;
  }
  .confirmOrder .content .section-goods .goods-list {
    padding: 5px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
  }
  .confirmOrder .content .section-goods .goods-list li {
    padding: 10px 0;
    color: #424242;
    overflow: hidden;
  }
  .confirmOrder .content .section-goods .goods-list li img {
    float: left;
    width: 30px;
    height: 30px;
    margin-right: 10px;
  }
  .confirmOrder .content .section-goods .goods-list li .pro-name {
    float: left;
    width: 650px;
    line-height: 30px;
  }
  .confirmOrder .content .section-goods .goods-list li .pro-price {
    float: left;
    width: 150px;
    text-align: center;
    line-height: 30px;
  }
  .confirmOrder .content .section-goods .goods-list li .pro-status {
    float: left;
    width: 99px;
    height: 30px;
    text-align: center;
    line-height: 30px;
  }
  .confirmOrder .content .section-goods .goods-list li .pro-total {
    float: left;
    width: 190px;
    text-align: center;
    color: #ff6700;
    line-height: 30px;
  }
  /* 商品及优惠券CSS END */

  /* 配送方式CSS */
  .confirmOrder .content .section-shipment {
    margin: 0 48px;
    padding: 25px 0;
    border-bottom: 1px solid #e0e0e0;
    overflow: hidden;
  }
  .confirmOrder .content .section-shipment .title {
    float: left;
    width: 150px;
    color: #333;
    font-size: 18px;
    line-height: 38px;
  }
  .confirmOrder .content .section-shipment .shipment {
    float: left;
    line-height: 38px;
    font-size: 14px;
    color: #ff6700;
  }
  /* 配送方式CSS END */

  /* 发票CSS */
  .confirmOrder .content .section-invoice {
    margin: 0 48px;
    padding: 25px 0;
    border-bottom: 1px solid #e0e0e0;
    overflow: hidden;
  }
  .confirmOrder .content .section-invoice .title {
    float: left;
    width: 150px;
    color: #333;
    font-size: 18px;
    line-height: 38px;
  }
  .confirmOrder .content .section-invoice .invoice {
    float: left;
    line-height: 38px;
    font-size: 14px;
    margin-right: 20px;
    color: #ff6700;
  }
  /* 发票CSS END */

  /* 结算列表CSS */
  .confirmOrder .content .section-count {
    margin: 0 48px;
    padding: 20px 0;
    overflow: hidden;
  }
  .confirmOrder .content .section-count .money-box {
    float: right;
    text-align: right;
  }
  .confirmOrder .content .section-count .money-box .title {
    float: left;
    width: 126px;
    height: 30px;
    display: block;
    line-height: 30px;
    color: #757575;
  }
  .confirmOrder .content .section-count .money-box .value {
    float: left;
    min-width: 105px;
    height: 30px;
    display: block;
    line-height: 30px;
    color: #ff6700;
  }
  .confirmOrder .content .section-count .money-box .total .title {
    padding-top: 15px;
  }
  .confirmOrder .content .section-count .money-box .total .value {
    padding-top: 10px;
  }
  .confirmOrder .content .section-count .money-box .total-price {
    font-size: 30px;
  }
  /* 结算列表CSS END */

  /* 结算导航CSS */
  .confirmOrder .content .section-bar {
    padding: 20px 48px;
    border-top: 2px solid #f5f5f5;
    overflow: hidden;
  }
  .confirmOrder .content .section-bar .btn {
    float: right;
  }
  .confirmOrder .content .section-bar .btn .btn-base {
    float: left;
    margin-left: 30px;
    width: 158px;
    height: 38px;
    border: 1px solid #b0b0b0;
    font-size: 14px;
    line-height: 38px;
    text-align: center;
  }
  .confirmOrder .content .section-bar .btn .btn-return {
    color: rgba(0, 0, 0, 0.27);
    border-color: rgba(0, 0, 0, 0.27);
  }
  .confirmOrder .content .section-bar .btn .btn-primary {
    background: #ff6700;
    border-color: #ff6700;
    color: #fff;
  }
  /* 结算导航CSS */

  /* 主要内容容器CSS END */
</style>
